X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/4c3d4cccb2f5fb04a2bc157ca321e107711cca53..d2e206d0539afade3722f7aa9f7a65ad8a714253:/src/mc/ModelChecker.hpp diff --git a/src/mc/ModelChecker.hpp b/src/mc/ModelChecker.hpp index 846ea2ba96..cd5021bb3c 100644 --- a/src/mc/ModelChecker.hpp +++ b/src/mc/ModelChecker.hpp @@ -9,49 +9,75 @@ #include +#include +#include + #include #include #include +#include -#include "mc_forward.hpp" -#include "mc_process.h" -#include "PageStore.hpp" -#include "mc_protocol.h" +#include "src/mc/mc_forward.hpp" +#include "src/mc/Process.hpp" +#include "src/mc/PageStore.hpp" +#include "src/mc/mc_protocol.h" namespace simgrid { namespace mc { /** State of the model-checker (global variables for the model checker) - * - * Each part of the state of the model chercker represented as a global - * variable prevents some sharing between snapshots and must be ignored. - * By moving as much state as possible in this structure allocated - * on the model-checker heap, we avoid those issues. */ class ModelChecker { + struct pollfd fds_[2]; /** String pool for host names */ // TODO, use std::unordered_set with heterogeneous comparison lookup (C++14) xbt_dict_t /* */ hostnames_; // This is the parent snapshot of the current state: PageStore page_store_; - Process process_; + std::unique_ptr process_; public: mc_snapshot_t parent_snapshot_; public: ModelChecker(ModelChecker const&) = delete; ModelChecker& operator=(ModelChecker const&) = delete; - ModelChecker(pid_t pid, int socket); + ModelChecker(std::unique_ptr process); ~ModelChecker(); + Process& process() { - return process_; + return *process_; } PageStore& page_store() { return page_store_; } const char* get_host_name(const char* name); + + bool is_important_snapshot(Snapshot const& snapshot) const + { + return &snapshot == this->parent_snapshot_; + } + + void start(); + void shutdown(); + void resume(simgrid::mc::Process& process); + void loop(); + bool handle_events(); + void wait_client(simgrid::mc::Process& process); + void simcall_handle(simgrid::mc::Process& process, unsigned long pid, int value); + void wait_for_requests() + { + mc_model_checker->wait_client(mc_model_checker->process()); + } + void exit(int status); +private: + void setup_ignore(); + bool handle_message(char* buffer, ssize_t size); + void handle_signals(); + void handle_waitpid(); + void on_signal(const struct signalfd_siginfo* info); + }; }